gas coal的例句大全

since coal and gas delay prominent mainly affected by the impact of coal and rock creep and distressed zone, the total time of the extension of coal was the sum of the time of gas coal creep buckling and distressed zone of instability.

由于煤与瓦斯延期突出主要受煤岩蠕变及卸压区的影响，故可以认为延期突出的总时间为含瓦斯煤蠕变失稳时间与基于卸压区的失稳时间之和。

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the target of drilling bits is deduced for high-gas coalbed, the influence of gas and damage of coal mass is considered in this paper.

考虑瓦斯的影响和煤体损伤特性，经理论推导得到了含瓦斯煤层检测冲击地压的钻屑量指标，并结合阜新五龙矿的实际情况进行了验证。

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analysis an research on gas abnormal effuse at partial area of low-gas coal mine

低瓦斯矿井局部瓦斯异常涌出的分析研究

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Research on prediction of creep collapsing time for uncovering gas coal plane

瓦斯煤层裸露面蠕变失稳的时间预测研究

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The cold mechanical strength almost not change under the optimal bulk density, while thermal property change a lot which is largely affected by coal. So, the coke of gas coal has a good cold strength, but thermal property is poor.

最佳堆密度下的焦炭冷态强度基本不变，而热性质变化较大，主要受煤质影响，所以气煤焦炭尽管有较好的冷态强度，但热态强度仍较差。

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The summery of the results as follows: The influence of typical alkali and alkaline metals to the reactivity of coke from gas coal is lower than it from coking coal.

研究结果表明：添加碱金属、碱土金属对气煤焦炭反应性的影响小于对焦煤焦炭的影响。

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Changes in low temperature oxidation process of gas coal chemical base agglomerate

气煤的化学基团在低温氧化过程中的变化

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Cause of Gas Explosion and Control Measures in Low-Gas Coal Mine

低瓦斯矿井瓦斯爆炸事故的原因及控制措施

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Many ventilation methods have adopted, but no one could bring gas coal dust under control entirely.

虽然采取了许多通风方法, 但是都不能彻底治理综掘工作面的瓦斯、煤尘.

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And ⑥ relatively high mercury vapor content ( 43 000~ 45 000 ng/ m 3) in the gas from coal measure strata.

源于煤系地层的天然气汞蒸气含量较高，达43000～45000ng／m3。

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Effects of gas temperature fluctuation on the devolatilization of pulverized coal particle

气相温度脉动对煤粉颗粒挥发分释放的影响

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Cleats are the endogenetic fracture systems which are widely distributed in the coal bed and are of great significance for the coal-bed gas to be produced, being the natural fractures formed by desiccation, coalification, lithification and tectonic force.

割理是广泛存在于煤层中对煤层气的产出具有重要意义的内生裂隙系统，是煤层经过干缩作用、煤化作用、岩化作用和构造压力等各种过程形成的天然裂隙。

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Impacts on the throughflow matching, surface metal temperature of the first grade static blade, and also the average working lifetime of the high-temperature blade when the gas turbine is used for coal fuel gas is applied are analyzed.

分析了改烧中低热值煤制燃料气，对燃气轮机通流匹配、一级静叶金属温度以及高温叶片平均寿命的影响。

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Ultrafine pulverized-coal contained in the tertiary air was used as the reburning fuel and the oxygen level of the tertiary air was reduced with the use of flue gas recirculation ( FGR).

该再燃系统利用三次风中的超细煤粉作为再燃燃料，并通过烟气再循环来降低三次风中的氧浓度。

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Application of Surface Control and Monitor System in Injection/ Down Pressure Testing of Coal Bed Gas

地面控制监测系统在煤层气井注入/压降测试中的应用

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The technical proposal of the invention is as follows: a coal gas burner is arranged on the shell of a front chamber.

其技术方案是在前室的壳体上设置有煤气烧嘴。

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For theoretical arithmetic, in the range of 600~ 1 000 ℃, the open circuit voltages ( OCV) of cells which used locale and self-mixed UCG coal gas were both greater than 0.70 V, that was suitable for SOFC operation voltage.

理论计算表明：在600~1000℃的工作温度下，使用实际和自配的UCG煤气的电池的开路电压（OCV）均大于0.70V，符合SOFC电压的工作要求；

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Coal is actually cheaper than gas

煤实际上比煤气便宜。

柯林斯高阶英汉双解学习词典

Natural gas is the third largest source of energy after coal and oil in the world.

天然气是世界上继煤和石油之后的第三大能源。

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High oil prices are encouraging investment in projects that convert coal into gas or liquids for fuel or chemicals for industrial use, all of which are in heavy demand in China.

高企的油价正鼓励人们投资于煤炭液化或气化项目，即把煤炭转化成液态或气态的工业用燃料及化学品。中国对这些产品需求强劲。

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